HP Integrity rx6600 User's & Service Manual page 112

Removal and Replacement
Removing and Replacing the I/O Board Assembly
Step 4. If rack installed, slide the server completely out from the rack. See "Extending the Server from the
Rack" on page 57.
Step 5. Remove the top cover. See "Removing the Top Cover" on page 58.
Step 6. Disconnect the internal USB cable from the connector on the core I/O board.
Step 7. Disconnect the SAS cables attached to the SAS core I/O card in PCI slot 1.
CAUTION
Step 8. Slide the server completely back into the rack.
Step 9. Open the cable management arm wide enough to slide the I/O board out the rear of the rack.
Step 10. Disconnect all external cabling attached to ports at the rear of the chassis.
Step 11. Press in on the retention levers to unlock the I/O board assembly extraction handles (Figure 4-23).
Step 12. Pull the I/O board assembly extraction handles outward to unplug the I/O board assembly from the
socket on the midplane board.
Step 13. Slide the I/O board assembly all the way out the rear of the chassis (Figure 4-23).
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When disconnecting the SAS cables, note the labeling on the cables. Both cables and
sockets are clearly marked with the correct channel. When reconnecting these cables,
match each cable with the appropriate socket on the SAS core I/O card. If the cables
are mismatched, the server will not reboot.
Chapter 4